2812406 has 8 divisors (see below), whose sum is σ = 4231440. Its totient is φ = 1401928.

The previous prime is 2812393. The next prime is 2812421. The reversal of 2812406 is 6042182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241 + ... + 2676.

It is an arithmetic number, because the mean of its divisors is an integer number (528930).

2^2812406 is an apocalyptic number.

2812406 is a deficient number, since it is larger than the sum of its proper divisors (1419034).

2812406 is a wasteful number, since it uses less digits than its factorization.

2812406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2812406 is about 1677.0229575054. The cubic root of 2812406 is about 141.1538317389.

Adding to 2812406 its reverse (6042182), we get a palindrome (8854588).

The spelling of 2812406 in words is "two million, eight hundred twelve thousand, four hundred six".